Section 8 (Engine Controls - Self-Diagnostics): Summary
WARNING: This page is about a different car, the 2002 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.
If there are no DTCs, or provisional codes, and driveability symptoms exist, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent diagnostic procedures. See INTERMITTENT DIAGNOSTIC TROUBLE CODES .